Implement isCryptoSchemeSupported in the Widevine drm plugin

Support overloaded isCryptoSchemeSupported method that
accepts a security level parameter

bug:110701831
test: cts media test cases, widevine integration tests, gts media tests

Change-Id: Ia84e40ff8d4f13fc06478e338e3238061e283dac

libwvdrmengine/cdm/core/include/initialization_data.h

@@ -24,6 +24,7 @@ class InitializationData {
   bool is_cenc() const { return is_cenc_; }
   bool is_hls() const { return is_hls_; }
   bool is_webm() const { return is_webm_; }
+  bool is_audio() const { return is_audio_; }
 
   bool IsEmpty() const { return data_.empty(); }
 
@@ -84,6 +85,7 @@ class InitializationData {
   bool is_cenc_;
   bool is_hls_;
   bool is_webm_;
+  bool is_audio_;
 
   std::vector<uint8_t> hls_iv_;
   CdmHlsMethod hls_method_;

libwvdrmengine/cdm/core/src/initialization_data.cpp

@@ -55,6 +55,7 @@ InitializationData::InitializationData(const std::string& type,
       is_cenc_(false),
       is_hls_(false),
       is_webm_(false),
+      is_audio_(false),
       hls_method_(kHlsMethodNone) {
   if (type == ISO_BMFF_VIDEO_MIME_TYPE || type == ISO_BMFF_AUDIO_MIME_TYPE ||
       type == CENC_INIT_DATA_FORMAT) {
@@ -65,6 +66,9 @@ InitializationData::InitializationData(const std::string& type,
   } else if (type == HLS_INIT_DATA_FORMAT) {
     is_hls_ = true;
   }
+  if (type == ISO_BMFF_AUDIO_MIME_TYPE || type == WEBM_AUDIO_MIME_TYPE) {
+    is_audio_ = true;
+  }
 
   if (data.size() && is_supported()) {
     if (is_cenc()) {